/**
 * Copyright 2022 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef MINDSPORE_LITE_TOOLS_OPTIMIZER_FUSION_RESHAPE_SHAPE_FUSION_H
#define MINDSPORE_LITE_TOOLS_OPTIMIZER_FUSION_RESHAPE_SHAPE_FUSION_H

#include "include/backend/optimizer/pass.h"

namespace mindspore {
namespace opt {
/*
 * The subgraph such as the following.
 *                  any
 *                 /  |
 *            shape   |
 *                 \  |
 *                reshape
 */
class ReshapeShapeFusion : public Pass {
 public:
  ReshapeShapeFusion() : Pass("ReshapeShapeFusion") {}
  ~ReshapeShapeFusion() override = default;
  bool Run(const FuncGraphPtr &func_graph) override;

 private:
  int Process(const FuncGraphPtr &func_graph, const CNodePtr &reshape);
};
}  // namespace opt
}  // namespace mindspore

#endif  // MINDSPORE_LITE_TOOLS_OPTIMIZER_FUSION_RESHAPE_SHAPE_FUSION_H
